Revealing mistake: Horvath is trapped in the bathroom mirror, and after knocking on the mirror from the inside, a boy comes over. You can see that the shadow from the boy's shoulder is falling on Horvath, and when he turns and falls over, if you watch closely, you can see that the boy bumps into Horvath's arm. This is because the boy actor is standing in front of Horvath's actor to achieve the mirror effect.
Factual error: At the start of the movie it said "NEW YORK CITY 2000", then went to a panoramic view of New York City minus the Twin Towers. Even though they stated the year was 2000 and they didn't go down until 2001.
Dave Stutler: I don't actually know who you are.
Drake Stone: Really? You don't recognize me?
Dave Stutler: Are you in Depeche Mode?
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